Preparation and Characterization of Manganese Ferrite Aluminates

Table 2

Cation distribution data calculated from XRD pattern of the MnAl_𝑥Fe_2.0−𝑥O₄ system.

			X-ray intensity
	𝐼220/𝐼440		𝐼400/𝐼440
Composition	Exp.	Cal.	Exp.	Cal.	Cation distribution	Fe^3+(B)/Fe^3+(A)
MnFe2.0O4	1.0247	1.1796	0.9622	0.7643	(Fe0.446Mn0.554)^A [Fe1.554Mn0446]^B	3.48
MnAl0.2Fe1.8O4	1.0348	1.2807	0.9624	0.6902	(Fe0.446Mn0.554)^A [Fe1.354Mn0.446AL0.2]^B	3.03
MnAl0.4Fe1.6O4	1.0565	1.3772	0.9433	0.6483	(Fe0.446Mn0.554)^A [Fe1.254Mn0.446AL0.4]^B	2.58
MnAl0.6Fe1.4O4	1.0579	1.4772	0.9257	0.6112	(Fe0.446Mn0.554)^A [Fe0.954Mn0.446AL0.6]^B	2.13
MnAl0.8Fe1.2O4	1.0780	1.5020	0.8414	0.5711	(Fe0.446Mn0.554)^A [Fe0.754Mn0.446AL0.8]^B	1.69
MnAl1.0Fe1.0O4	1.0910	1.5700	0.5907	0.5256	(Fe0.446Mn0.554)^A[Fe0.554Mn0.446AL1.0]^B	1.24